SC_450 PreciseCoat Conformal Coating Jet_Rev_04.pdf - 第5页

SC-450 PreciseCoat C onformal C oating J et Table of Contents © 2024 Nordson Corporation iii 7.3 Parts Orderi ng Informati o n .............................................................................................…

SC-450 PreciseCoat Conformal Coating Jet Table of Contents

4.3

Theory of Operation ............................................................................................................... 15

4.4

Control Components .............................................................................................................. 15

4.4.1

Dot and Line Parameters .......................................................................................... 15

4.4.2

Fluid Pressure ........................................................................................................... 15

4.4.3

Drive Needle and Fluid Needle ................................................................................. 15

4.4.4

Solenoid Valve .......................................................................................................... 16

4.4.5

Stroke Adjustment ..................................................................................................... 16

4.4.6

Heater Temperature .................................................................................................. 16

4.5

Application Settings ................................................................................................................ 16

4.5.1

Fine Tuned Settings .................................................................................................. 17

4.6

Hardware Selection ................................................................................................................ 17

4.6.1

DL Type Needle Hardware Response ...................................................................... 18

4.6.2

Hubbed Needle Response ........................................................................................ 20

Maintenance and Service ................................................................................................................. 21

5.1

Overview ................................................................................................................................ 21

5.2

Safety First ............................................................................................................................. 21

5.3

Recommended Facility Items ................................................................................................. 21

5.4

Routine Maintenance Procedures .......................................................................................... 22

5.5

Removal and Cleaning the Fluid Needle................................................................................ 22

5.5.1

Cleaning and Replacing the Fluid Needle ................................................................. 22

5.6

Removing the SC-450 ............................................................................................................ 24

5.6.1

Depressurizing the SC-450 ....................................................................................... 24

5.6.2

Disconnecting the Pneumatic, Electrical, and Fluid Connections ............................. 26

5.6.3

Removing the SC-450 from the Mounting Bracket ................................................... 28

5.7

Replacing SC-450 Components ............................................................................................. 30

5.7.1

Removing and Replacing the Heater Assembly, Fluid Body, and Fluid Seal ........... 30

5.7.2

Replacing Heater Insulation and Interconnect PCA .................................................. 33

5.7.3

Replacing the Solenoid Valve ................................................................................... 34

5.7.4

Replacing the Stroke Adjustment Assembly ............................................................. 36

5.7.5

Replacing the Needle Shaft ...................................................................................... 37

Troubleshooting ................................................................................................................................ 40

6.1

Overview ................................................................................................................................ 40

6.2

Safety First ............................................................................................................................. 40

6.3

Troubleshooting Procedures .................................................................................................. 41

6.4

Input/Output Connection ........................................................................................................ 43

Parts Replacement ............................................................................................................................ 45

7.1

Overview ................................................................................................................................ 45

7.2

Safety First ............................................................................................................................. 45

SC-450 PreciseCoat Conformal Coating Jet Table of Contents

7.3

Parts Ordering Information ..................................................................................................... 45

7.3.1

Placing Your Order .................................................................................................... 45

7.3.2

Shipping Instructions ................................................................................................. 45

7.4

Warranty ................................................................................................................................. 46

7.5

Credit and Exchanges ............................................................................................................ 46

7.5.1

Return Material Authorization .................................................................................... 46

7.6

Record Keeping ...................................................................................................................... 46

7.7

Unpacking and Inspecting Replacement Parts ...................................................................... 46

7.8

Cleaning and Inspection ......................................................................................................... 46

7.9

Spare Parts List ...................................................................................................................... 47